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Jyutping ceoi1 laang5 fung1
Pinyin chuī lěng fēng

Definitions (CC-CEDICT)
  1. to blow cold
  2. damping expectations by discouraging or realistic words
Definitions (Wiktionary)
  1. verb, idiomatic, intransitive, verb-object
    to dispel the enthusiasm or interest of the other party with cold words
    (syn.) 刮冷風, 刮冷风
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 日常用語:臺
    潑冷水
  2. 日常用語:陸
    吹冷風、潑冷水